Advances, Systems and Applications
Table 5 Gradient descent output for costminimization
From: A novel revenue optimization model to address the operation and maintenance cost of a data center
Year | New server | Power and cooling | Elasticity (α) | Elasticity (β) | Min. Cost |
|---|---|---|---|---|---|
1996 | 62 | 5 | 1.3732 | 0.0091 | 56.2716 |
1997 | 65 | 5 | 1.3729 | 0.0102 | 58.0163 |
1998 | 62 | 10 | 1.3732 | 0.0091 | 56.2716 |
1999 | 60 | 10 | 1.3747 | 0.0031 | 55.3465 |
2000 | 65 | 10 | 1.3729 | 0.0102 | 58.0163 |
2001 | 55 | 15 | 1.3724 | 0.0123 | 51.9474 |
2002 | 45 | 15 | 1.3712 | 0.0170 | 45.7922 |
2003 | 47 | 15 | 1.3745 | 0.0039 | 47.5236 |
2004 | 50 | 20 | 1.3742 | 0.0049 | 49.2799 |
2005 | 52 | 20 | 1.3726 | 0.0116 | 50.1856 |
2006 | 55 | 20 | 1.3724 | 0.0123 | 51.9474 |
2007 | 56 | 30 | 1.3737 | 0.0069 | 52.7832 |
2008 | 57 | 30 | 1.3750 | 0.0017 | 53.6839 |
2009 | 58 | 30 | 1.3722 | 0.0131 | 53.7031 |
2010 | 59 | 40 | 1.3735 | 0.0080 | 54.5258 |
2011 | 60 | 40 | 1.3747 | 0.0031 | 55.3465 |
2012 | 60 | 40 | 1.3747 | 0.0031 | 55.3465 |